Home / 432,731.24-649,158.29-133,236.71

Finding the Fourth Proportional to 432,731.24, 649,158.29 and 133,236.71

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Solution

The fourth proportional to 432,731.24, 649,158.29 and 133,236.71 is: 199,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,731.24 : 649,158.29 = 133,236.71 : x
  2. Step 2: Convert to fraction form
    432,731.24/649,158.29 = 133,236.71/x
  3. Step 3: Cross multiply
    432,731.24x = 649,158.29 × 133,236.71
  4. Step 4: Simplify right side
    432,731.24x = 86,491,714,828.83
  5. Step 5: Solve for x
    x = 86,491,714,828.83/432,731.24
  6. Step 6: Final answer
    x = 199,873.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.